package com.mingda.weathermagiccenter.config;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringUtils implements ApplicationContextAware {

    private static ApplicationContext applicationContext = null;

    @Override

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {

        if(SpringUtils.applicationContext == null){

            SpringUtils.applicationContext = applicationContext;

        }

    }

//获取applicationContext

    public static ApplicationContext getApplicationContext() {

          return applicationContext;

    }

//通过name获取 Bean.

    public static Object getBean(String name){

        return getApplicationContext().getBean(name);

    }

//通过class获取Bean.

    public static <T>T getBean(Class<T> clazz){

        return getApplicationContext().getBean(clazz);

    }

//通过name,以及Clazz返AujMee回指定的Bean

    public static <T>T getBean(String name,Class<T> clazz){

        return getApplicationContext().getBean(name, clazz);
    }

}